package com.cjy.controller;

import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

/**
 * @author Cheng JiYe
 * @description:
 * @date 2021/4/3 20:08
 */
@Controller
public class HomeController {
  @RequestMapping({"/", "/index"})
  public String index() {
    return "/index";
  }

  @RequestMapping("/login")
  public String login(HttpServletRequest request, Map<String, Object> map) throws Exception {
    System.out.println("HomeController.login()");
    // 登录失败从request中获取shiro处理的异常信息。
    // shiroLoginFailure:就是shiro异常类的全类名.
    String exception = (String) request.getAttribute("shiroLoginFailure");
    System.out.println("exception=" + exception);
    String msg = "";
    if (exception != null) {
      if (UnknownAccountException.class.getName().equals(exception)) {
        System.out.println("UnknownAccountException -- > 账号不存在：");
        msg = "UnknownAccountException -- > 账号不存在：";
      } else if (IncorrectCredentialsException.class.getName().equals(exception)) {
        System.out.println("IncorrectCredentialsException -- > 密码不正确：");
        msg = "IncorrectCredentialsException -- > 密码不正确：";
      } else if ("kaptchaValidateFailed".equals(exception)) {
        System.out.println("kaptchaValidateFailed -- > 验证码错误");
        msg = "kaptchaValidateFailed -- > 验证码错误";
      } else {
        msg = "else >> " + exception;
        System.out.println("else -- >" + exception);
      }
    }
    map.put("msg", msg);
    // 此方法不处理登录成功,由shiro进行处理
    return "/login";
  }

  @RequestMapping("/403")
  public String unauthorizedRole() {
    System.out.println("------没有权限-------");
    return "403";
  }
}
